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When did the Three Kingdoms period of Korean history take place?

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Map of the Korean Peninsula highlighted in orange, showing North Korea in the north and South Korea in the south. The peninsula is bordered by China and Russia to the north, the Yellow Sea to the west, the East Sea (Sea of Japan) to the east, and Japan across the sea to the southeast. A small inset globe at the top left shows the peninsula's location in East Asia. — Korea Map of the Korean Peninsula, indicating northern and southern regions.

The Three Kingdoms period of Korean history took place from approximately 57 BCE to 668 CE. During this era, the Korean peninsula was divided into three rival kingdoms: Silla, Goguryeo, and Baekje.12